Thermostat Housing Kit, Cast Aluminum, Satin, 1966-91 AMC, Jeep V-8P N 322 8225 Dress up your engine Patterned after originals Cast aluminum thermostat housing with correct 1 2" NPT coolant bypass port. Does NOT have a tapped hole for auxiliary vacuum, pressure unit, temp sensor or air bleed valve Country Of Origin: USA Fits: ALL AMC 290, 304, 343, 360, 390, and 401 engines NOTE: Will NOT fit AMC 287 & 327 V8 engines Kit Includes Qty Description 1 Cast Aluminum Thermostat Housing, Gasket & Bolts AMC, American Motors,